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CORS - How do 'preflight' an httprequest?
...ermissions to make the actual request. Your preflight response needs to acknowledge these headers in order for the actual request to work.
For example, suppose the browser makes a request with the following headers:
Origin: http://yourdomain.com
Access-Control-Request-Method: POST
Access-Control-R...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
... In case anyone was wondering the documentation is pretty good now.
– Kevin Beal
Jan 18 '13 at 6:03
7
...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...ializer] deserialize:request.responseData error:nil];
// ...
}];
If you want to also target iOS 4, use __unsafe_unretained instead of __weak. Same behavior, but the pointer stays dangling instead of being automatically set to nil when the object is destroyed.
...
Is there a standard way to list names of Python modules in a package?
...name):
file, pathname, description = imp.find_module(package_name)
if file:
raise ImportError('Not a package: %r', package_name)
# Use a set because some may be both source and compiled.
return set([os.path.splitext(module)[0]
for module in os.listdir(pathname)
...
Is there any way to kill a Thread?
...other threads that must be killed as well.
The nice way of handling this if you can afford it (if you are managing your own threads) is to have an exit_request flag that each threads checks on regular interval to see if it is time for it to exit.
For example:
import threading
class StoppableThr...
Add CSS or JavaScript files to layout head from views or partial views
...-development-only.js")" type="text/javascript"></script>
@if (IsSectionDefined("AddToHead"))
{
@RenderSection("AddToHead", required: false)
}
@RenderSection("AddToHeadAnotherWay", required: false)
</head>
View:
@model ProjectsExt.Mod...
What do commas and spaces in multiple classes mean in CSS?
...{ ... }
A comma, as others have stated, is a way to apply rules to many different nodes at one time. In this case, the rules apply to any node with either a class of container_12 or grid_6.
share
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Checking images for similarity with OpenCV
...) that indicates how similar these images are? E.g. 100% would be returned if the same image was passed twice, 0% would be returned if the images were totally different.
...
Delete directory with files in it?
...n!). Here is an example:
public static function deleteDir($dirPath) {
if (! is_dir($dirPath)) {
throw new InvalidArgumentException("$dirPath must be a directory");
}
if (substr($dirPath, strlen($dirPath) - 1, 1) != '/') {
$dirPath .= '/';
}
$files = glob($dirPath...
How can I get all the request headers in Django?
...A is a "standard Python dictionary containing all available HTTP headers". If you want to get all the headers you can simply iterate through the dictionary.
Which part of your code to do this depends on your exact requirement. Anyplace that has access to request should do.
Update
I need to ac...